/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.tsfile.file.metadata.enums;

public enum TSEncoding {
    PLAIN((byte) 0),
    DICTIONARY((byte) 1),
    RLE((byte) 2),
    DIFF((byte) 3),
    TS_2DIFF((byte) 4),
    BITMAP((byte) 5),
    GORILLA_V1((byte) 6),
    REGULAR((byte) 7),
    GORILLA((byte) 8),
    ZIGZAG((byte) 9),
    FREQ((byte) 10);

    private final byte type;

    TSEncoding(byte type) {
        this.type = type;
    }

    /**
     * judge the encoding deserialize type.
     *
     * @param encoding -use to determine encoding type
     * @return -encoding type
     */
    public static TSEncoding deserialize(byte encoding) {
        return getTsEncoding(encoding);
    }

    private static TSEncoding getTsEncoding(byte encoding) {
        switch (encoding) {
            case 0:
                return TSEncoding.PLAIN;
            case 1:
                return TSEncoding.DICTIONARY;
            case 2:
                return TSEncoding.RLE;
            case 3:
                return TSEncoding.DIFF;
            case 4:
                return TSEncoding.TS_2DIFF;
            case 5:
                return TSEncoding.BITMAP;
            case 6:
                return TSEncoding.GORILLA_V1;
            case 7:
                return TSEncoding.REGULAR;
            case 8:
                return TSEncoding.GORILLA;
            case 9:
                return TSEncoding.ZIGZAG;
            case 10:
                return TSEncoding.FREQ;
            default:
                throw new IllegalArgumentException("Invalid input: " + encoding);
        }
    }

    public static int getSerializedSize() {
        return Byte.BYTES;
    }

    /**
     * judge the encoding deserialize type.
     *
     * @return -encoding type
     */
    public byte serialize() {
        return type;
    }
}
